Concerning future \(e^+e^-\)  colliders,
one can see that many best-fit masses of electroweak particles are at
\(\sim 500 \,\, \mathrm {GeV}\) , offering the possibility of pair production at a
collider with \(\sqrt{s} \sim 1 \,\, \mathrm {TeV}\) , as envisaged for the final stage
of the ILC [1]}, [2]}. Going to higher centre-of-mass energies, e.g.,
\(\sqrt{s} \;\raisebox {-.3em}{\stackrel{\displaystyle <}{\sim }}\;3 \,\, \mathrm {TeV}\)  [3]}, [2]} as
anticipated for CLIC, significant fractions of the 68% CL ranges of electroweak sparticle masses
can be covered.
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